怎么是我 meaning in Chinese

why me

He jokingly said , " how can i take care of him
他开玩笑说：怎么是我照顾呢？
Bei : why is it me ? who always say sorry
贝：怎么是我，水一直说对不起？
How is that my fault ? - i ' m thinking ofthe family
-这怎么是我的错？ -我在为整个家着想
How is it my problem ? what did i do
这怎么是我的事呢?我做什么了
“ how can he be my master ? i am not a servant ! ” i cried
“他怎么是我的主人?我又不是仆人! ”我喊道